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Finding the Fourth Proportional to 653,279.29, 901,550.70 and 362,912.85

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Solution

The fourth proportional to 653,279.29, 901,550.70 and 362,912.85 is: 500,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,279.29 : 901,550.70 = 362,912.85 : x
  2. Step 2: Convert to fraction form
    653,279.29/901,550.70 = 362,912.85/x
  3. Step 3: Cross multiply
    653,279.29x = 901,550.70 × 362,912.85
  4. Step 4: Simplify right side
    653,279.29x = 327,184,331,931.23
  5. Step 5: Solve for x
    x = 327,184,331,931.23/653,279.29
  6. Step 6: Final answer
    x = 500,833.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.